xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

RISC-V: simplify software interrupt / IPI code

Browse Source 
Rename handle_ipi to riscv_software_interrupt, drop the unused return
value and move the prototype to irq.h together with riscv_timer_interupt.
This allows simplifying the upcoming interrupt handling support.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
This commit is contained in:
Christoph Hellwig
2018-08-04 10:23:13 +02:00
committed by Palmer Dabbelt
parent b9490350f7
commit b9d5535746
3 changed files with 3 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/riscv/kernel/smp.c
View File

@@ -45,7 +45,7 @@ int setup_profiling_timer(unsigned int multiplier)
return -EINVAL;
}
irqreturn_t handle_ipi(void)
void riscv_software_interrupt(void)
{
unsigned long *pending_ipis = &ipi_data[smp_processor_id()].bits;
@@ -60,7 +60,7 @@ irqreturn_t handle_ipi(void)
ops = xchg(pending_ipis, 0);
if (ops == 0)
return IRQ_HANDLED;
return;
if (ops & (1 << IPI_RESCHEDULE))
scheduler_ipi();
@@ -73,8 +73,6 @@ irqreturn_t handle_ipi(void)
/* Order data access and bit testing. */
mb();
}
return IRQ_HANDLED;
}
static void